Looking for information on John H. Longsdorf and family. He appears in the 1880 Census, Adams Tp. Decatur County, age 32, farmer, with Mattie, wife, 21, George W.,son,3, Mary E., daughter, 1. There is also a J. Henry Longsdorf buried in Union Chapel Cemetery, Feb 28, 1774 - Apr. 11, 1855. Any information helpful.